.main .category_list {
  width: 90px;
  height: 100%;
  position: relative;
  text-align: center;
  float: left;
}
.main .category_list li {
  background-color: pink;
  height: 50px;
  line-height: 50px;
  border-right: 1px solid red;
  border-bottom: 1px solid red;
}
.main .category_list li.active {
  background-color: #fff;
  border-right: 1px solid #fff;
}
.main .category_list li a {
  display: block;
  height: 100%;
}
.main .brand_list {
  height: 100%;
  overflow: hidden;
  position: relative;
}
.main .brand_list li {
  width: 33.3%;
  float: left;
  text-align: center;
}
.main .brand_list li a {
  display: block;
}
.main .brand_list li img {
  width: 62px;
  height: 62px;
  margin: 0 auto;
}
